Yunfu Shen Yue Wu Mingjun Xin Yu Zheng A Novel Self-Studying Platform with its Application to Programming Courses. 2561-2566 2008 ICYCS http://dx.doi.org/10.1109/ICYCS.2008.85 conf/icycs/2008 db/conf/icycs/icycs2008.html#ShenWXZ08